body{
    background-color: darkseagreen;
    .box{
        width: 200px;
        line-height: 200px;
        border-radius: 15px;
        margin: 50px auto;
        background: url('../../img/20180803182335_MwYFz.jpeg');
        background-size:cover;
        box-shadow: 0 10px 20px #aaa;
    }
}